Asked by Anonymous

Simplify: (4x + 5)(4x2 + x - 4)
Answered by Reiny
use the distributive property

= 16x^2 + 4x^2 - 16x + 20x^2 + 5x - 20

collect all like terms and simplify
Answered by maths
16x+8x+4x^2-16x+20+10+5x-20therefore 4x^2+8x+5x+10 4x^2+13x+10
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